217785663

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{654011}}^1$

素因数の和:654054

約数の個数: 12

約数和(自身を含む): 323081928

約数和(自身を除く): 105296265

約数列:

[1, 3, 9, 37, 111, 333, 654011, 1962033, 5886099, 24198407, 72595221, 217785663]

約数ペア:

[(1, 217785663), (3, 72595221), (9, 24198407), (37, 5886099), (111, 1962033), (333, 654011)]